<template>
  <div class="wrapper">
    <!--头部-->
    <header>
      <p>用户登录</p>
    </header>
    <!--表单部分-->
    <ul class="form-box">
      <li>
        <div class="title">
          手机号码:
        </div>
        <div class="content">
          <input type="text" v-model="userId" placeholder="手机号码">
        </div>
      </li>
      <li>
        <div class="title">
          密码:
        </div>
        <div class="content">
          <input type="password" v-model="password" placeholder="密码">
        </div>
      </li>
    </ul>

    <div class="button-login">
      <button @click="login">登录</button>
    </div>
    <div class="button-register">
      <button @click="register">去注册</button>
    </div>
    <!--底部菜单-->
    <Footer></Footer>
  </div>
</template>

<script>
import Footer from '../components/Footer.vue';

export default {
  name: 'Login',
  data() {
    return {
      userId: '',
      password: '',
    }
  },
  methods: {
    login() {
      if (this.userId == '') {
        alert('手机号码不能为空！');
        return;
      }
      if (this.password == '') {
        alert('密码不能为空！');
        return;
      }

      //登录请求
      this.$axios.post('UserController/getUserByIdByPass', this.$qs.stringify({
        userId: this.userId,
        password: this.password
      })).then(response => {
        let user = response.data;
        if (user == null || user == '') {
          alert('用户名或密码不正确！');
        } else {
          //sessionstorage有容量限制，为了防止数据溢出，所以不将userImg数据放入session中
          //user.userImg = '';
          this.$setSessionStorage('user', user);
          this.$router.go(-1);  // 后退+刷新
        }
      }).catch(error => {
        console.error(error);
      });
    },
    register() {
      this.$router.push({ path: '/register' });
    }
  },
  components: {
    Footer
  }
}
</script>


<style scoped>
/**************************总容器**************************/
.wrapper {
  width: 100%;
  height: 100%;

  position: fixed;
}

/**************************header**************************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #FFF;
  font-size: 4.8vw;

  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: center;
  align-items: center;
}

/**************************表单**************************/
.wrapper .form-box {
  width: 100%;
  margin-top: 12vw;
}

.wrapper .form-box li {
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;

  display: flex;
  align-items: center;
}

.wrapper .form-box .title {
  flex: 0 0 18vw;
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}

.wrapper .form-box .content {
  flex: 1;
}

.wrapper .form-box .content input {
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}

.wrapper .button-login {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-login button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38CA73;
  border-radius: 4px;

  border: none;
  outline: none;
}

.wrapper .button-register {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-register button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #666;
  background-color: #EEE;
  border-radius: 4px;

  border: none;
  outline: none;
  border: solid 1px #ddd;
}
</style>